Item Type: Hydraulic Pneumatic Rivet Gun_x000D_ Product Model : KP-703_x000D_ Applicable Rivets: Steel/aluminum rivets_x000D_ Aluminum/iron Nail Capacity: Approx. 3.2mm / 0.13in_x000D_ 4.0mm / 0.16in_x000D_ 4.8mm / 0.2in_x000D_ 6.4mm / 0.3in_x000D_ _x000D_ Stainless Steel Nail Capacity: Approx. 3.2mm / 0.13in_x000D_ 4.0mm / 0.16in_x000D_ 4.8mm / 0.2in_x000D_ Working Stroke: Approx. 20mm / 0.8in_x000D_ Inlet Connector: G1/4 in_x000D_ Working Pressure: 0.5-0.7MPA_x000D_ How to Use: _x000D_ Replace The Claw Piece: _x000D_ 1. Use a wrench to loosen the outer socket to CCW;_x000D_ 2. Take out the outer sleeve;_x000D_ 3 Use a wrench to loosen and remove the front jaw sleeve;_x000D_ 4. Replace the three-claw piece, install the front claw cover and the outer tube in turn, to complete._x000D_ Actual Operation of Adding Hydraulic Oil: _x000D_ 1. Disassemble its base;_x000D_ 2. Clamp the hex nut to pull out the piston;_x000D_ 3. Inject hydraulic oil into the small hole;_x000D_ 4. Install the piston and the base in turn to complete._x000D_ Size: Approx. 113mm / 4.4in_x000D_ 100mm / 3.9in_x000D_ _x000D_ 40mm / 1.6in_x000D_ 165mm / 6.5in_x000D_ _x000D_ 275mm / 10.8in